Speedway recommends a heavy duty electronic alternating LED flasher, 12V. I’ll confirm Monday if the pin count is compatible with their 12-circuit harness.

Part # 91064112
LED Flasher Unit, 3-Prong
by Technostalgia
10 Reviews | 5 Questions
Flasher unit has a black plastic material construction
Operates on a common 12 volt system
Grounded flasher made specifically for LED blubs

Chuck
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